JPH0624045U - Assembly device for control device in construction machinery - Google Patents

Abstract

(57) [Summary] [Purpose] To reduce the man-hours and the number of parts for assembling the floor plate, seat base, and roof support for the revolving frame mounted on the upper surface of the body of the construction machine. [Structure] A front-end portion 7a is a horizontal frame shape, a middle portion 7b is a wall plate shape that rises upward and rearward, and a rear end portion 7c is a shelf plate shape. It is formed so that it can be freely attached and detached on the upper surface of 2.
The front end portion 7a of the frame 7 is provided with an assembly portion of the floor plate 20,
A seat base 71 for assembling the seat 3 is integrally mounted on the front surface of the intermediate portion 7b, and mounting seats for mounting the columns 50 of the roof 5 are mounted on both left and right sides of the rear end portion 7c.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention mounts a revolving frame on the upper surface of a vehicle body traveling by a traveling device so as to revolve with a vertical revolving axis, and on the upper surface thereof, a hydraulic device such as an engine and a hydraulic pump driven by the seat and a seat To assemble and support a control device such as seats and control levers on the upper surface of a swing frame in a construction machine configured by supporting a control device, a roof / cabin that stores them, and a boom that supports a work machine. The improvement of the assembly device of the control device.

[0002]

[Prior art]

 In a construction machine, assembling means of a steering device such as a seat and a steering lever with respect to a swivel base is conventionally mounted on the upper surface of a vehicle body 1 traveling by a traveling device 10 composed of a crawler, as shown in FIG. The swing frame 2 is mounted via the swing mechanism 11, the control valve device V is incorporated in the swing frame 2, and the floor plate 20 is stretched on the upper surface of the swing frame 2 so as to cover the upper portion thereof. The seat base 3a, the engine cover 4 and the like are assembled on the upper surface of the floor plate 20, the seat 3 is supported on the upper surface of the seat base 3a, and the support column 50 of the roof 5 is mounted on the engine cover 4 and the inside of the revolving frame 2 is installed. A base end side of the control lever 6 is assembled and connected to the assembled control valve device V, and an upper end side of the control lever device 6 is projected onto the upper surface of the floor plate 20 for assembly.

[0003]

[Problems to be solved by the device]

 Assembling means of the control device such as the seat and the control lever in the construction machine described above is a control valve device V that is installed in the swivel frame 2, a floor plate 20 that is installed on the upper surface of the swivel frame 2, and an upper surface of the floor plate 20. The seat base 3a, the engine cover 4 to be assembled on the upper surface of the floor plate 20, the pillars 50 of the roof 5 to be assembled to the assembly seat provided on the engine cover 4, and the like are separately formed, and these are separately formed. Since they are assembled, the number of assembling steps and the number of parts are large, which causes a troublesome assembling problem.

The present invention has been made in order to solve this problem that has occurred in the conventional means, and an operating device such as a seat and an operating lever is assembled into one unit to form an integrated unit. The purpose is to provide a new means that enables the assembly on the upper surface of the revolving frame.

[0005]

[Means for Solving the Problems]

 Further, in the present invention, as means for achieving the above-mentioned object, a side surface in which a front end portion has a horizontal frame shape, an intermediate portion has a wall plate shape rising upward and rearward, and a rear end portion has a shelf plate shape. A substantially crank-shaped control device frame is formed on the upper surface of the revolving frame so that it can be installed and removed independently, and a floor plate assembly part is provided at the front end of the control device frame. We proposed an assembling device for a control device in construction machinery, which was equipped with a seat base for assembling the above, and mounting seats for assembling roof posts on both left and right sides of the rear end. To do.

[0006]

【Example】

 Next, embodiments will be described in detail with reference to the drawings. The same reference numerals are used for the constituent members having the same effects as those of the conventional means.

FIG. 2 is a side view of a construction machine A in which the control device assembling apparatus according to the present invention is implemented. In FIG. 2, reference numeral 1 is a vehicle body that is traveled by a traveling device 10, and 2 is a turning mechanism on the upper surface of the vehicle body 1. Reference numeral 7 denotes a revolving frame mounted via 11, reference numeral 7 denotes a control device frame mounted and mounted on the upper surface of the revolving frame 2, and 3 denotes a seat mounted on the frame 7.

In the construction machine A, in this example, a boom 2 is supported by a bracket 2a provided on the front end side of the revolving frame 2 so that the boom 12 can be raised and lowered, and a shovel is provided on the front end side of an arm 13 connected to the tip of the boom 12. Although the power shovel has a structure in which 14 is supported, the boom 12 may be arranged in parallel with the seat 3 and supported on the upper surface of the revolving frame 2.

The swivel frame 2 is a normal swivel frame which is mounted on the upper surface of the vehicle body 1 traveling by the traveling device 10 via the swivel mechanism 11 so as to be freely swivel. As shown in FIG. A bracket 2a for axially mounting 12 is provided, and an engine E is mounted and supported via a mounting base (not shown) provided on the frame 2 on the rear end side of the upper surface thereof.

Side covers 2b integrally connected to the swivel frame 2 are provided on both left and right sides of the swivel frame 2 of the engine E, and a rear surface side of the engine E with respect to the swivel frame 2 is provided. A removable engine cover 2c is provided.

A hydraulic tank covered with a cover 2d is mounted on the left and right halves of the revolving frame 2, and a floor plate is provided on the other half of the left and right sides in front of the engine E. It is configured in a removed form.

The control device frame 7 is formed by press-molding a steel plate having a predetermined shape so that it can be formed on the other half of the upper surface of the revolving frame 2 on the front side of the engine E where there is no floor plate. A horizontal front end portion 7a that is placed on the upper surface, an intermediate portion 7b that rises obliquely upward and rearward so as to cover the front side of the engine E from the rear end side thereof, and the upper end of the engine E is covered from the rear end side thereof. A rear end portion 7c extending horizontally rearward is bent and formed in a crank shape so as to be integrally continuous.

The horizontal front end portion 7a is formed in a frame shape having a window hole 70 that extends vertically, and the base end portion of the control lever 60 is pivotally supported at the front edge portion.

The intermediate portion 7b, which rises obliquely upward and rearward from the rear end of the front end portion 7a, is provided with a seat base 71 projecting in a shelf shape integrally connected to the front side thereof. On the rear side, a control valve device V in which a large number of control valves are assembled into a unit is assembled and supported. Further, at the left and right positions above the seat base 71 on the front surface of the intermediate portion 7b, the brackets 72 and 72 for mounting the control levers 61 and 61 for operating and controlling the control valve device V, and the brackets 72 and 72 mounted there Connection window holes 73, 73 for connecting the attached control levers 61, 61 to the control valve device V are opened.

At the rear end portion 7c that horizontally extends rearward from the rear end of the intermediate portion 7b, a mounting seat 22 that is formed on the upper surface of the side cover 2b that is integrally provided on the swivel frame 2 is formed. Assembling seats 74, 74 that overlap with each other are installed at the left and right end portions of the upper surface, and the base end portions of the columns 50 of the roof 5 are provided at the side surface portions of the left and right end portions. Assembling seats 75, 75 are respectively installed.

Then, on the control device frame 7, mounting seats 76, 76 formed in the same manner as the mounting seats 74, 74 provided on the rear end 7c are provided at the front edge of the front end 7a. It is arranged and installed so as to correspond to the assembly seats 23 and 23 to be installed on the revolving frame 2, and the control device frame 7 is mounted on the upper surface of the revolving frame 2 and mounted. The seats 73, 73, 75, 75 are superposed on the assembly seats 22, 22, 23, 23 of the swivel frame 2 to be joined, and the set bolts 80 are respectively inserted and tightened to the swivel frame. Assembled to 2.

At this time, the seat 3 is attached to the seat base 71 provided on the front surface of the intermediate portion 7b of the control device frame 7, and the control levers 61 and 61 are attached to the brackets 72 and 72, respectively. , Is connected to the control valve device V set on the back surface of the intermediate portion 7b, and each base end of the support 50 of the roof 5 is attached to the attachment seats 75, 75 provided on both left and right sides of the rear end portion 7c, Further, the control levers 60, 60 supported on the front end portion 7a are connected to the control valve device V by connecting rods 60a, 60a, and the floor plate 20 is put on the upper surface side of the control lever device 60 for assembly and fastening, as shown in FIG. Assemble into Control Unit U as shown.

Then, in an assembled state of this unit, the mounting seats 22, 22, 23, 23 of the turning frame 2 and the mounting seat portion of the control device frame 7 which are mounted on and joined to the upper surface of the turning frame 2 are joined. The anti-vibration rubber 81 ... Is interposed between the 74, 74, 76 and 76, and the set bolt 80 is tightened so that the swing frame 2 can be detachably mounted and fixed. .

At this time, the roof 5 may form a cabin a together with the columns 50 of the roof 5 as shown in FIG.

[0020]

[Effect of device]

 The assembling means of the control device according to the present invention having the above-described structure is such that the seat 3, the floor plate 20 and the roof 5 are pre-assembled and set on the control device frame 7, and the control device frame is set. Since 7 can be mounted on the upper surface of the revolving frame 2 as a unit and assembled with the set bolts 80, the man-hours for assembling the machine can be significantly simplified, and the seat base 71 for mounting the seat 3 and Since the mounting seats 75, 75 for mounting the roof 5 and the mounting seats for the floor plate 20 are formed integrally and continuously with the control device frame 7, the number of parts can be reduced.

Further, the control valve device V is attached to the back side of the intermediate portion 7b of the control device frame 7, and the control levers 60, 60 connected to the control valve device V are attached to the front end portion 7a. The control system including the device V can be assembled as a unit.

[Brief description of drawings]

FIG. 1 is a side view of a construction machine according to conventional means.

FIG. 2 is a side view of a construction machine embodying the means of the present invention.

FIG. 3 is an exploded perspective view of the control device frame of the above as it is being assembled to the swivel frame.

FIG. 4 is a perspective view showing an assembled state of the control device frame of the above.

[Explanation of symbols]

A ... Construction machinery, a ... Cabin, E ... Engine, U ... Control unit, V ... Control valve device, 1 ... Car body, 10 ... Traveling device, 11 ... Turning mechanism, 12 ... Boom, 13 ... Arm,
14 ... Shovel, 2 ... Revolving frame, 2a ... Bracket, 2b ... Side cover, 2c ... Engine cover, 2d
... Cover, 20 ... Floor plate, 22/23 ... Assembly seat, 3 ... Seat, 3a ... Seat base, 4 ... Engine cover, 5 ... Roof, 50 ... Strut, 60 ... Steering lever, 60a ... Connecting rod, 61 ... Control Lever, 7 ... Steering device frame, 7a ... Front end, 7b ... Intermediate part, 7c ... Rear end, 77
0 ... Window hole, 71 ... Seat base, 72 ... Bracket, 73 ...
Window hole, 74 ... Assembly seat, 75 ... Assembly seat, 76 ... Assembly seat, 80 ... Set bolt, 81 ... Anti-vibration rubber.

Claims (2)

[Scope of utility model registration request] 1. A control device frame 7 having a substantially crank shape in a side view in which a front end portion 7a has a horizontal frame shape, an intermediate portion 7b has a wall plate shape rising upward and rearward, and a rear end portion 7c has a shelf plate shape.
Is formed on the upper surface of the revolving frame 2 so that it can be removably mounted, and the floor plate 20 is attached to the front end portion 7a of the control device frame 7.
Assembling part is provided, the seat base 71 for assembling the seat 3 is integrally mounted on the front surface of the intermediate part 7b, and the columns 50 of the roof 5 are assembled on the left and right sides of the rear end part 7c. An assembly device for a control device in a construction machine equipped with a seat 75. 2. The control valve device V is assembled and supported on the back side of the intermediate portion 7b of the control device frame 7, and the control levers 60, 60 connected to the control valve device V are attached to the control device frame 7.
The apparatus for assembling a control device in a construction machine according to claim 1, wherein said front end portion 7a is pivotally supported.